21302322201 has 6 divisors (see below), whose sum is σ = 30770020970. Its totient is φ = 14201548128.

The previous prime is 21302322149. The next prime is 21302322247. The reversal of 21302322201 is 10222320312.

21302322201 is a `hidden beast` number, since 21 + 302 + 322 + 20 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21068232201 + 234090000 = 145149^2 + 15300^2 .

It is not a de Polignac number, because 21302322201 - 2¹⁸ = 21302060057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21302322401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1183462336 + ... + 1183462353.

Almost surely, 2^21302322201 is an apocalyptic number.

It is an amenable number.

21302322201 is a deficient number, since it is larger than the sum of its proper divisors (9467698769).

21302322201 is a wasteful number, since it uses less digits than its factorization.

21302322201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366924695 (or 2366924692 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 21302322201 its reverse (10222320312), we get a palindrome (31524642513).

The spelling of 21302322201 in words is "twenty-one billion, three hundred two million, three hundred twenty-two thousand, two hundred one".